Home / 8,719.18-12,032.49-4,740.29

Finding the Fourth Proportional to 8,719.18, 12,032.49 and 4,740.29

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Solution

The fourth proportional to 8,719.18, 12,032.49 and 4,740.29 is: 6,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.18 : 12,032.49 = 4,740.29 : x
  2. Step 2: Convert to fraction form
    8,719.18/12,032.49 = 4,740.29/x
  3. Step 3: Cross multiply
    8,719.18x = 12,032.49 × 4,740.29
  4. Step 4: Simplify right side
    8,719.18x = 57,037,492.02
  5. Step 5: Solve for x
    x = 57,037,492.02/8,719.18
  6. Step 6: Final answer
    x = 6,541.61

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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.