Home / 7,529.66-10,391.90-5,374.55

Finding the Fourth Proportional to 7,529.66, 10,391.90 and 5,374.55

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Solution

The fourth proportional to 7,529.66, 10,391.90 and 5,374.55 is: 7,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.66 : 10,391.90 = 5,374.55 : x
  2. Step 2: Convert to fraction form
    7,529.66/10,391.90 = 5,374.55/x
  3. Step 3: Cross multiply
    7,529.66x = 10,391.90 × 5,374.55
  4. Step 4: Simplify right side
    7,529.66x = 55,851,785.25
  5. Step 5: Solve for x
    x = 55,851,785.25/7,529.66
  6. Step 6: Final answer
    x = 7,417.57

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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.