Home / 7,389.53-11,085.86-3,437.84

Finding the Fourth Proportional to 7,389.53, 11,085.86 and 3,437.84

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Solution

The fourth proportional to 7,389.53, 11,085.86 and 3,437.84 is: 5,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.53 : 11,085.86 = 3,437.84 : x
  2. Step 2: Convert to fraction form
    7,389.53/11,085.86 = 3,437.84/x
  3. Step 3: Cross multiply
    7,389.53x = 11,085.86 × 3,437.84
  4. Step 4: Simplify right side
    7,389.53x = 38,111,449.25
  5. Step 5: Solve for x
    x = 38,111,449.25/7,389.53
  6. Step 6: Final answer
    x = 5,157.49

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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.