Home / 7,340.80-10,131.36-5,569.44

Finding the Fourth Proportional to 7,340.80, 10,131.36 and 5,569.44

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Solution

The fourth proportional to 7,340.80, 10,131.36 and 5,569.44 is: 7,686.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.80 : 10,131.36 = 5,569.44 : x
  2. Step 2: Convert to fraction form
    7,340.80/10,131.36 = 5,569.44/x
  3. Step 3: Cross multiply
    7,340.80x = 10,131.36 × 5,569.44
  4. Step 4: Simplify right side
    7,340.80x = 56,426,001.64
  5. Step 5: Solve for x
    x = 56,426,001.64/7,340.80
  6. Step 6: Final answer
    x = 7,686.63

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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.