Home / 7,572.48-10,428.21-6,501.66

Finding the Fourth Proportional to 7,572.48, 10,428.21 and 6,501.66

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Solution

The fourth proportional to 7,572.48, 10,428.21 and 6,501.66 is: 8,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.48 : 10,428.21 = 6,501.66 : x
  2. Step 2: Convert to fraction form
    7,572.48/10,428.21 = 6,501.66/x
  3. Step 3: Cross multiply
    7,572.48x = 10,428.21 × 6,501.66
  4. Step 4: Simplify right side
    7,572.48x = 67,800,675.83
  5. Step 5: Solve for x
    x = 67,800,675.83/7,572.48
  6. Step 6: Final answer
    x = 8,953.56

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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.