Home / 7,210.17-10,743.57-6,424.13

Finding the Fourth Proportional to 7,210.17, 10,743.57 and 6,424.13

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Solution

The fourth proportional to 7,210.17, 10,743.57 and 6,424.13 is: 9,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.17 : 10,743.57 = 6,424.13 : x
  2. Step 2: Convert to fraction form
    7,210.17/10,743.57 = 6,424.13/x
  3. Step 3: Cross multiply
    7,210.17x = 10,743.57 × 6,424.13
  4. Step 4: Simplify right side
    7,210.17x = 69,018,090.34
  5. Step 5: Solve for x
    x = 69,018,090.34/7,210.17
  6. Step 6: Final answer
    x = 9,572.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.