Home / 7,389.70-11,084.55-5,931.70

Finding the Fourth Proportional to 7,389.70, 11,084.55 and 5,931.70

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Solution

The fourth proportional to 7,389.70, 11,084.55 and 5,931.70 is: 8,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.70 : 11,084.55 = 5,931.70 : x
  2. Step 2: Convert to fraction form
    7,389.70/11,084.55 = 5,931.70/x
  3. Step 3: Cross multiply
    7,389.70x = 11,084.55 × 5,931.70
  4. Step 4: Simplify right side
    7,389.70x = 65,750,225.24
  5. Step 5: Solve for x
    x = 65,750,225.24/7,389.70
  6. Step 6: Final answer
    x = 8,897.55

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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.