Home / 5,607.12-7,740.45-3,248.82

Finding the Fourth Proportional to 5,607.12, 7,740.45 and 3,248.82

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Solution

The fourth proportional to 5,607.12, 7,740.45 and 3,248.82 is: 4,484.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.12 : 7,740.45 = 3,248.82 : x
  2. Step 2: Convert to fraction form
    5,607.12/7,740.45 = 3,248.82/x
  3. Step 3: Cross multiply
    5,607.12x = 7,740.45 × 3,248.82
  4. Step 4: Simplify right side
    5,607.12x = 25,147,328.77
  5. Step 5: Solve for x
    x = 25,147,328.77/5,607.12
  6. Step 6: Final answer
    x = 4,484.89

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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.