Home / 7,032.40-9,705.90-5,351.11

Finding the Fourth Proportional to 7,032.40, 9,705.90 and 5,351.11

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Solution

The fourth proportional to 7,032.40, 9,705.90 and 5,351.11 is: 7,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,032.40 : 9,705.90 = 5,351.11 : x
  2. Step 2: Convert to fraction form
    7,032.40/9,705.90 = 5,351.11/x
  3. Step 3: Cross multiply
    7,032.40x = 9,705.90 × 5,351.11
  4. Step 4: Simplify right side
    7,032.40x = 51,937,338.55
  5. Step 5: Solve for x
    x = 51,937,338.55/7,032.40
  6. Step 6: Final answer
    x = 7,385.44

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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.