Home / 9,390.90-14,088.18-2,816.55

Finding the Fourth Proportional to 9,390.90, 14,088.18 and 2,816.55

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Solution

The fourth proportional to 9,390.90, 14,088.18 and 2,816.55 is: 4,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.90 : 14,088.18 = 2,816.55 : x
  2. Step 2: Convert to fraction form
    9,390.90/14,088.18 = 2,816.55/x
  3. Step 3: Cross multiply
    9,390.90x = 14,088.18 × 2,816.55
  4. Step 4: Simplify right side
    9,390.90x = 39,680,063.38
  5. Step 5: Solve for x
    x = 39,680,063.38/9,390.90
  6. Step 6: Final answer
    x = 4,225.37

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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.