Home / 9,136.32-13,701.60-4,751.40

Finding the Fourth Proportional to 9,136.32, 13,701.60 and 4,751.40

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Solution

The fourth proportional to 9,136.32, 13,701.60 and 4,751.40 is: 7,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.32 : 13,701.60 = 4,751.40 : x
  2. Step 2: Convert to fraction form
    9,136.32/13,701.60 = 4,751.40/x
  3. Step 3: Cross multiply
    9,136.32x = 13,701.60 × 4,751.40
  4. Step 4: Simplify right side
    9,136.32x = 65,101,782.24
  5. Step 5: Solve for x
    x = 65,101,782.24/9,136.32
  6. Step 6: Final answer
    x = 7,125.60

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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.