Home / 8,758.02-12,085.97-4,779.21

Finding the Fourth Proportional to 8,758.02, 12,085.97 and 4,779.21

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Solution

The fourth proportional to 8,758.02, 12,085.97 and 4,779.21 is: 6,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.02 : 12,085.97 = 4,779.21 : x
  2. Step 2: Convert to fraction form
    8,758.02/12,085.97 = 4,779.21/x
  3. Step 3: Cross multiply
    8,758.02x = 12,085.97 × 4,779.21
  4. Step 4: Simplify right side
    8,758.02x = 57,761,364.79
  5. Step 5: Solve for x
    x = 57,761,364.79/8,758.02
  6. Step 6: Final answer
    x = 6,595.25

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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.