Home / 7,155.48-10,711.56-6,497.34

Finding the Fourth Proportional to 7,155.48, 10,711.56 and 6,497.34

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Solution

The fourth proportional to 7,155.48, 10,711.56 and 6,497.34 is: 9,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.48 : 10,711.56 = 6,497.34 : x
  2. Step 2: Convert to fraction form
    7,155.48/10,711.56 = 6,497.34/x
  3. Step 3: Cross multiply
    7,155.48x = 10,711.56 × 6,497.34
  4. Step 4: Simplify right side
    7,155.48x = 69,596,647.25
  5. Step 5: Solve for x
    x = 69,596,647.25/7,155.48
  6. Step 6: Final answer
    x = 9,726.34

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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.