Home / 6,350.02-8,779.74-5,561.80

Finding the Fourth Proportional to 6,350.02, 8,779.74 and 5,561.80

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Solution

The fourth proportional to 6,350.02, 8,779.74 and 5,561.80 is: 7,689.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,350.02 : 8,779.74 = 5,561.80 : x
  2. Step 2: Convert to fraction form
    6,350.02/8,779.74 = 5,561.80/x
  3. Step 3: Cross multiply
    6,350.02x = 8,779.74 × 5,561.80
  4. Step 4: Simplify right side
    6,350.02x = 48,831,146.96
  5. Step 5: Solve for x
    x = 48,831,146.96/6,350.02
  6. Step 6: Final answer
    x = 7,689.92

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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.