Home / 8,274.25-12,411.51-2,430.91

Finding the Fourth Proportional to 8,274.25, 12,411.51 and 2,430.91

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Solution

The fourth proportional to 8,274.25, 12,411.51 and 2,430.91 is: 3,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.25 : 12,411.51 = 2,430.91 : x
  2. Step 2: Convert to fraction form
    8,274.25/12,411.51 = 2,430.91/x
  3. Step 3: Cross multiply
    8,274.25x = 12,411.51 × 2,430.91
  4. Step 4: Simplify right side
    8,274.25x = 30,171,263.77
  5. Step 5: Solve for x
    x = 30,171,263.77/8,274.25
  6. Step 6: Final answer
    x = 3,646.40

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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.