Home / 6,545.10-9,029.68-4,847.75

Finding the Fourth Proportional to 6,545.10, 9,029.68 and 4,847.75

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Solution

The fourth proportional to 6,545.10, 9,029.68 and 4,847.75 is: 6,687.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.10 : 9,029.68 = 4,847.75 : x
  2. Step 2: Convert to fraction form
    6,545.10/9,029.68 = 4,847.75/x
  3. Step 3: Cross multiply
    6,545.10x = 9,029.68 × 4,847.75
  4. Step 4: Simplify right side
    6,545.10x = 43,773,607.81
  5. Step 5: Solve for x
    x = 43,773,607.81/6,545.10
  6. Step 6: Final answer
    x = 6,687.99

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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.