Home / 8,977.02-12,390.33-5,827.74

Finding the Fourth Proportional to 8,977.02, 12,390.33 and 5,827.74

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Solution

The fourth proportional to 8,977.02, 12,390.33 and 5,827.74 is: 8,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.02 : 12,390.33 = 5,827.74 : x
  2. Step 2: Convert to fraction form
    8,977.02/12,390.33 = 5,827.74/x
  3. Step 3: Cross multiply
    8,977.02x = 12,390.33 × 5,827.74
  4. Step 4: Simplify right side
    8,977.02x = 72,207,621.75
  5. Step 5: Solve for x
    x = 72,207,621.75/8,977.02
  6. Step 6: Final answer
    x = 8,043.61

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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.