Home / 7,575.80-11,312.59-6,191.92

Finding the Fourth Proportional to 7,575.80, 11,312.59 and 6,191.92

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Solution

The fourth proportional to 7,575.80, 11,312.59 and 6,191.92 is: 9,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.80 : 11,312.59 = 6,191.92 : x
  2. Step 2: Convert to fraction form
    7,575.80/11,312.59 = 6,191.92/x
  3. Step 3: Cross multiply
    7,575.80x = 11,312.59 × 6,191.92
  4. Step 4: Simplify right side
    7,575.80x = 70,046,652.27
  5. Step 5: Solve for x
    x = 70,046,652.27/7,575.80
  6. Step 6: Final answer
    x = 9,246.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.