Home / 9,136.58-13,705.84-2,897.48

Finding the Fourth Proportional to 9,136.58, 13,705.84 and 2,897.48

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Solution

The fourth proportional to 9,136.58, 13,705.84 and 2,897.48 is: 4,346.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.58 : 13,705.84 = 2,897.48 : x
  2. Step 2: Convert to fraction form
    9,136.58/13,705.84 = 2,897.48/x
  3. Step 3: Cross multiply
    9,136.58x = 13,705.84 × 2,897.48
  4. Step 4: Simplify right side
    9,136.58x = 39,712,314.27
  5. Step 5: Solve for x
    x = 39,712,314.27/9,136.58
  6. Step 6: Final answer
    x = 4,346.52

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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.