Home / 8,407.32-12,612.48-2,860.36

Finding the Fourth Proportional to 8,407.32, 12,612.48 and 2,860.36

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Solution

The fourth proportional to 8,407.32, 12,612.48 and 2,860.36 is: 4,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.32 : 12,612.48 = 2,860.36 : x
  2. Step 2: Convert to fraction form
    8,407.32/12,612.48 = 2,860.36/x
  3. Step 3: Cross multiply
    8,407.32x = 12,612.48 × 2,860.36
  4. Step 4: Simplify right side
    8,407.32x = 36,076,233.29
  5. Step 5: Solve for x
    x = 36,076,233.29/8,407.32
  6. Step 6: Final answer
    x = 4,291.05

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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.