Home / 8,719.61-12,032.73-4,740.66

Finding the Fourth Proportional to 8,719.61, 12,032.73 and 4,740.66

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Solution

The fourth proportional to 8,719.61, 12,032.73 and 4,740.66 is: 6,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.61 : 12,032.73 = 4,740.66 : x
  2. Step 2: Convert to fraction form
    8,719.61/12,032.73 = 4,740.66/x
  3. Step 3: Cross multiply
    8,719.61x = 12,032.73 × 4,740.66
  4. Step 4: Simplify right side
    8,719.61x = 57,043,081.80
  5. Step 5: Solve for x
    x = 57,043,081.80/8,719.61
  6. Step 6: Final answer
    x = 6,541.93

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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.