Home / 9,030.48-13,545.96-3,185.76

Finding the Fourth Proportional to 9,030.48, 13,545.96 and 3,185.76

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Solution

The fourth proportional to 9,030.48, 13,545.96 and 3,185.76 is: 4,778.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.48 : 13,545.96 = 3,185.76 : x
  2. Step 2: Convert to fraction form
    9,030.48/13,545.96 = 3,185.76/x
  3. Step 3: Cross multiply
    9,030.48x = 13,545.96 × 3,185.76
  4. Step 4: Simplify right side
    9,030.48x = 43,154,177.53
  5. Step 5: Solve for x
    x = 43,154,177.53/9,030.48
  6. Step 6: Final answer
    x = 4,778.72

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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.