Home / 9,037.90-13,559.91-4,878.31

Finding the Fourth Proportional to 9,037.90, 13,559.91 and 4,878.31

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Solution

The fourth proportional to 9,037.90, 13,559.91 and 4,878.31 is: 7,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,037.90 : 13,559.91 = 4,878.31 : x
  2. Step 2: Convert to fraction form
    9,037.90/13,559.91 = 4,878.31/x
  3. Step 3: Cross multiply
    9,037.90x = 13,559.91 × 4,878.31
  4. Step 4: Simplify right side
    9,037.90x = 66,149,444.55
  5. Step 5: Solve for x
    x = 66,149,444.55/9,037.90
  6. Step 6: Final answer
    x = 7,319.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.