Home / 7,545.87-10,419.51-4,897.80

Finding the Fourth Proportional to 7,545.87, 10,419.51 and 4,897.80

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Solution

The fourth proportional to 7,545.87, 10,419.51 and 4,897.80 is: 6,762.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.87 : 10,419.51 = 4,897.80 : x
  2. Step 2: Convert to fraction form
    7,545.87/10,419.51 = 4,897.80/x
  3. Step 3: Cross multiply
    7,545.87x = 10,419.51 × 4,897.80
  4. Step 4: Simplify right side
    7,545.87x = 51,032,676.08
  5. Step 5: Solve for x
    x = 51,032,676.08/7,545.87
  6. Step 6: Final answer
    x = 6,762.99

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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.