Home / 7,641.20-10,545.29-4,285.10

Finding the Fourth Proportional to 7,641.20, 10,545.29 and 4,285.10

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Solution

The fourth proportional to 7,641.20, 10,545.29 and 4,285.10 is: 5,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.20 : 10,545.29 = 4,285.10 : x
  2. Step 2: Convert to fraction form
    7,641.20/10,545.29 = 4,285.10/x
  3. Step 3: Cross multiply
    7,641.20x = 10,545.29 × 4,285.10
  4. Step 4: Simplify right side
    7,641.20x = 45,187,548.03
  5. Step 5: Solve for x
    x = 45,187,548.03/7,641.20
  6. Step 6: Final answer
    x = 5,913.67

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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.