Home / 8,264.93-12,397.40-2,421.54

Finding the Fourth Proportional to 8,264.93, 12,397.40 and 2,421.54

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Solution

The fourth proportional to 8,264.93, 12,397.40 and 2,421.54 is: 3,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.93 : 12,397.40 = 2,421.54 : x
  2. Step 2: Convert to fraction form
    8,264.93/12,397.40 = 2,421.54/x
  3. Step 3: Cross multiply
    8,264.93x = 12,397.40 × 2,421.54
  4. Step 4: Simplify right side
    8,264.93x = 30,020,787.89
  5. Step 5: Solve for x
    x = 30,020,787.89/8,264.93
  6. Step 6: Final answer
    x = 3,632.31

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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.