Home / 9,248.64-12,762.90-5,056.80

Finding the Fourth Proportional to 9,248.64, 12,762.90 and 5,056.80

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Solution

The fourth proportional to 9,248.64, 12,762.90 and 5,056.80 is: 6,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248.64 : 12,762.90 = 5,056.80 : x
  2. Step 2: Convert to fraction form
    9,248.64/12,762.90 = 5,056.80/x
  3. Step 3: Cross multiply
    9,248.64x = 12,762.90 × 5,056.80
  4. Step 4: Simplify right side
    9,248.64x = 64,539,432.72
  5. Step 5: Solve for x
    x = 64,539,432.72/9,248.64
  6. Step 6: Final answer
    x = 6,978.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.