Home / 8,779.24-12,118.98-6,537.16

Finding the Fourth Proportional to 8,779.24, 12,118.98 and 6,537.16

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Solution

The fourth proportional to 8,779.24, 12,118.98 and 6,537.16 is: 9,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.24 : 12,118.98 = 6,537.16 : x
  2. Step 2: Convert to fraction form
    8,779.24/12,118.98 = 6,537.16/x
  3. Step 3: Cross multiply
    8,779.24x = 12,118.98 × 6,537.16
  4. Step 4: Simplify right side
    8,779.24x = 79,223,711.30
  5. Step 5: Solve for x
    x = 79,223,711.30/8,779.24
  6. Step 6: Final answer
    x = 9,023.98

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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.