Home / 7,335.04-11,000.40-2,139.52

Finding the Fourth Proportional to 7,335.04, 11,000.40 and 2,139.52

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Solution

The fourth proportional to 7,335.04, 11,000.40 and 2,139.52 is: 3,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.04 : 11,000.40 = 2,139.52 : x
  2. Step 2: Convert to fraction form
    7,335.04/11,000.40 = 2,139.52/x
  3. Step 3: Cross multiply
    7,335.04x = 11,000.40 × 2,139.52
  4. Step 4: Simplify right side
    7,335.04x = 23,535,575.81
  5. Step 5: Solve for x
    x = 23,535,575.81/7,335.04
  6. Step 6: Final answer
    x = 3,208.65

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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.