Home / 7,030.08-10,545.57-3,519.03

Finding the Fourth Proportional to 7,030.08, 10,545.57 and 3,519.03

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Solution

The fourth proportional to 7,030.08, 10,545.57 and 3,519.03 is: 5,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.08 : 10,545.57 = 3,519.03 : x
  2. Step 2: Convert to fraction form
    7,030.08/10,545.57 = 3,519.03/x
  3. Step 3: Cross multiply
    7,030.08x = 10,545.57 × 3,519.03
  4. Step 4: Simplify right side
    7,030.08x = 37,110,177.20
  5. Step 5: Solve for x
    x = 37,110,177.20/7,030.08
  6. Step 6: Final answer
    x = 5,278.77

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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.