Home / 7,169.12-9,898.16-4,484.40

Finding the Fourth Proportional to 7,169.12, 9,898.16 and 4,484.40

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Solution

The fourth proportional to 7,169.12, 9,898.16 and 4,484.40 is: 6,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.12 : 9,898.16 = 4,484.40 : x
  2. Step 2: Convert to fraction form
    7,169.12/9,898.16 = 4,484.40/x
  3. Step 3: Cross multiply
    7,169.12x = 9,898.16 × 4,484.40
  4. Step 4: Simplify right side
    7,169.12x = 44,387,286.28
  5. Step 5: Solve for x
    x = 44,387,286.28/7,169.12
  6. Step 6: Final answer
    x = 6,191.46

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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.