Home / 6,261.60-8,637.18-4,915.19

Finding the Fourth Proportional to 6,261.60, 8,637.18 and 4,915.19

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Solution

The fourth proportional to 6,261.60, 8,637.18 and 4,915.19 is: 6,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.60 : 8,637.18 = 4,915.19 : x
  2. Step 2: Convert to fraction form
    6,261.60/8,637.18 = 4,915.19/x
  3. Step 3: Cross multiply
    6,261.60x = 8,637.18 × 4,915.19
  4. Step 4: Simplify right side
    6,261.60x = 42,453,380.76
  5. Step 5: Solve for x
    x = 42,453,380.76/6,261.60
  6. Step 6: Final answer
    x = 6,779.96

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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.