Home / 7,117.08-9,819.90-4,322.04

Finding the Fourth Proportional to 7,117.08, 9,819.90 and 4,322.04

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Solution

The fourth proportional to 7,117.08, 9,819.90 and 4,322.04 is: 5,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.08 : 9,819.90 = 4,322.04 : x
  2. Step 2: Convert to fraction form
    7,117.08/9,819.90 = 4,322.04/x
  3. Step 3: Cross multiply
    7,117.08x = 9,819.90 × 4,322.04
  4. Step 4: Simplify right side
    7,117.08x = 42,442,000.60
  5. Step 5: Solve for x
    x = 42,442,000.60/7,117.08
  6. Step 6: Final answer
    x = 5,963.40

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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.