Home / 8,254.15-12,373.73-2,987.93

Finding the Fourth Proportional to 8,254.15, 12,373.73 and 2,987.93

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Solution

The fourth proportional to 8,254.15, 12,373.73 and 2,987.93 is: 4,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.15 : 12,373.73 = 2,987.93 : x
  2. Step 2: Convert to fraction form
    8,254.15/12,373.73 = 2,987.93/x
  3. Step 3: Cross multiply
    8,254.15x = 12,373.73 × 2,987.93
  4. Step 4: Simplify right side
    8,254.15x = 36,971,866.28
  5. Step 5: Solve for x
    x = 36,971,866.28/8,254.15
  6. Step 6: Final answer
    x = 4,479.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.