Home / 7,777.32-10,732.95-4,374.90

Finding the Fourth Proportional to 7,777.32, 10,732.95 and 4,374.90

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Solution

The fourth proportional to 7,777.32, 10,732.95 and 4,374.90 is: 6,037.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.32 : 10,732.95 = 4,374.90 : x
  2. Step 2: Convert to fraction form
    7,777.32/10,732.95 = 4,374.90/x
  3. Step 3: Cross multiply
    7,777.32x = 10,732.95 × 4,374.90
  4. Step 4: Simplify right side
    7,777.32x = 46,955,582.96
  5. Step 5: Solve for x
    x = 46,955,582.96/7,777.32
  6. Step 6: Final answer
    x = 6,037.50

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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.