Home / 7,343.76-10,130.16-4,688.19

Finding the Fourth Proportional to 7,343.76, 10,130.16 and 4,688.19

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Solution

The fourth proportional to 7,343.76, 10,130.16 and 4,688.19 is: 6,467.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.76 : 10,130.16 = 4,688.19 : x
  2. Step 2: Convert to fraction form
    7,343.76/10,130.16 = 4,688.19/x
  3. Step 3: Cross multiply
    7,343.76x = 10,130.16 × 4,688.19
  4. Step 4: Simplify right side
    7,343.76x = 47,492,114.81
  5. Step 5: Solve for x
    x = 47,492,114.81/7,343.76
  6. Step 6: Final answer
    x = 6,467.00

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.