Home / 6,259.95-8,639.06-3,607.61

Finding the Fourth Proportional to 6,259.95, 8,639.06 and 3,607.61

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Solution

The fourth proportional to 6,259.95, 8,639.06 and 3,607.61 is: 4,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.95 : 8,639.06 = 3,607.61 : x
  2. Step 2: Convert to fraction form
    6,259.95/8,639.06 = 3,607.61/x
  3. Step 3: Cross multiply
    6,259.95x = 8,639.06 × 3,607.61
  4. Step 4: Simplify right side
    6,259.95x = 31,166,298.01
  5. Step 5: Solve for x
    x = 31,166,298.01/6,259.95
  6. Step 6: Final answer
    x = 4,978.68

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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.