Home / 6,359.02-8,779.54-5,182.90

Finding the Fourth Proportional to 6,359.02, 8,779.54 and 5,182.90

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Solution

The fourth proportional to 6,359.02, 8,779.54 and 5,182.90 is: 7,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,359.02 : 8,779.54 = 5,182.90 : x
  2. Step 2: Convert to fraction form
    6,359.02/8,779.54 = 5,182.90/x
  3. Step 3: Cross multiply
    6,359.02x = 8,779.54 × 5,182.90
  4. Step 4: Simplify right side
    6,359.02x = 45,503,477.87
  5. Step 5: Solve for x
    x = 45,503,477.87/6,359.02
  6. Step 6: Final answer
    x = 7,155.74

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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.