Home / 7,374.80-10,177.24-4,390.74

Finding the Fourth Proportional to 7,374.80, 10,177.24 and 4,390.74

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Solution

The fourth proportional to 7,374.80, 10,177.24 and 4,390.74 is: 6,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.80 : 10,177.24 = 4,390.74 : x
  2. Step 2: Convert to fraction form
    7,374.80/10,177.24 = 4,390.74/x
  3. Step 3: Cross multiply
    7,374.80x = 10,177.24 × 4,390.74
  4. Step 4: Simplify right side
    7,374.80x = 44,685,603.78
  5. Step 5: Solve for x
    x = 44,685,603.78/7,374.80
  6. Step 6: Final answer
    x = 6,059.23

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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.