Home / 7,374.79-10,176.87-4,390.95

Finding the Fourth Proportional to 7,374.79, 10,176.87 and 4,390.95

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Solution

The fourth proportional to 7,374.79, 10,176.87 and 4,390.95 is: 6,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.79 : 10,176.87 = 4,390.95 : x
  2. Step 2: Convert to fraction form
    7,374.79/10,176.87 = 4,390.95/x
  3. Step 3: Cross multiply
    7,374.79x = 10,176.87 × 4,390.95
  4. Step 4: Simplify right side
    7,374.79x = 44,686,127.33
  5. Step 5: Solve for x
    x = 44,686,127.33/7,374.79
  6. Step 6: Final answer
    x = 6,059.31

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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.