Home / 7,415.62-11,123.52-3,030.08

Finding the Fourth Proportional to 7,415.62, 11,123.52 and 3,030.08

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Solution

The fourth proportional to 7,415.62, 11,123.52 and 3,030.08 is: 4,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.62 : 11,123.52 = 3,030.08 : x
  2. Step 2: Convert to fraction form
    7,415.62/11,123.52 = 3,030.08/x
  3. Step 3: Cross multiply
    7,415.62x = 11,123.52 × 3,030.08
  4. Step 4: Simplify right side
    7,415.62x = 33,705,155.48
  5. Step 5: Solve for x
    x = 33,705,155.48/7,415.62
  6. Step 6: Final answer
    x = 4,545.16

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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.