Home / 7,184.31-9,915.71-4,496.78

Finding the Fourth Proportional to 7,184.31, 9,915.71 and 4,496.78

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Solution

The fourth proportional to 7,184.31, 9,915.71 and 4,496.78 is: 6,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.31 : 9,915.71 = 4,496.78 : x
  2. Step 2: Convert to fraction form
    7,184.31/9,915.71 = 4,496.78/x
  3. Step 3: Cross multiply
    7,184.31x = 9,915.71 × 4,496.78
  4. Step 4: Simplify right side
    7,184.31x = 44,588,728.08
  5. Step 5: Solve for x
    x = 44,588,728.08/7,184.31
  6. Step 6: Final answer
    x = 6,206.40

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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.