Home / 7,445.59-10,275.13-4,215.16

Finding the Fourth Proportional to 7,445.59, 10,275.13 and 4,215.16

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Solution

The fourth proportional to 7,445.59, 10,275.13 and 4,215.16 is: 5,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.59 : 10,275.13 = 4,215.16 : x
  2. Step 2: Convert to fraction form
    7,445.59/10,275.13 = 4,215.16/x
  3. Step 3: Cross multiply
    7,445.59x = 10,275.13 × 4,215.16
  4. Step 4: Simplify right side
    7,445.59x = 43,311,316.97
  5. Step 5: Solve for x
    x = 43,311,316.97/7,445.59
  6. Step 6: Final answer
    x = 5,817.04

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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.