Home / 5,005.40-7,497.30-4,458.20

Finding the Fourth Proportional to 5,005.40, 7,497.30 and 4,458.20

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Solution

The fourth proportional to 5,005.40, 7,497.30 and 4,458.20 is: 6,677.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.40 : 7,497.30 = 4,458.20 : x
  2. Step 2: Convert to fraction form
    5,005.40/7,497.30 = 4,458.20/x
  3. Step 3: Cross multiply
    5,005.40x = 7,497.30 × 4,458.20
  4. Step 4: Simplify right side
    5,005.40x = 33,424,462.86
  5. Step 5: Solve for x
    x = 33,424,462.86/5,005.40
  6. Step 6: Final answer
    x = 6,677.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.