Home / 6,861.52-10,287.96-2,478.16

Finding the Fourth Proportional to 6,861.52, 10,287.96 and 2,478.16

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Solution

The fourth proportional to 6,861.52, 10,287.96 and 2,478.16 is: 3,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.52 : 10,287.96 = 2,478.16 : x
  2. Step 2: Convert to fraction form
    6,861.52/10,287.96 = 2,478.16/x
  3. Step 3: Cross multiply
    6,861.52x = 10,287.96 × 2,478.16
  4. Step 4: Simplify right side
    6,861.52x = 25,495,210.95
  5. Step 5: Solve for x
    x = 25,495,210.95/6,861.52
  6. Step 6: Final answer
    x = 3,715.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.