Home / 8,407.19-12,612.81-2,563.45

Finding the Fourth Proportional to 8,407.19, 12,612.81 and 2,563.45

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Solution

The fourth proportional to 8,407.19, 12,612.81 and 2,563.45 is: 3,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.19 : 12,612.81 = 2,563.45 : x
  2. Step 2: Convert to fraction form
    8,407.19/12,612.81 = 2,563.45/x
  3. Step 3: Cross multiply
    8,407.19x = 12,612.81 × 2,563.45
  4. Step 4: Simplify right side
    8,407.19x = 32,332,307.79
  5. Step 5: Solve for x
    x = 32,332,307.79/8,407.19
  6. Step 6: Final answer
    x = 3,845.79

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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.