Home / 6,880.76-9,492.32-4,988.20

Finding the Fourth Proportional to 6,880.76, 9,492.32 and 4,988.20

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Solution

The fourth proportional to 6,880.76, 9,492.32 and 4,988.20 is: 6,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.76 : 9,492.32 = 4,988.20 : x
  2. Step 2: Convert to fraction form
    6,880.76/9,492.32 = 4,988.20/x
  3. Step 3: Cross multiply
    6,880.76x = 9,492.32 × 4,988.20
  4. Step 4: Simplify right side
    6,880.76x = 47,349,597.16
  5. Step 5: Solve for x
    x = 47,349,597.16/6,880.76
  6. Step 6: Final answer
    x = 6,881.44

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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.