Home / 9,021.59-12,449.69-4,988.67

Finding the Fourth Proportional to 9,021.59, 12,449.69 and 4,988.67

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Solution

The fourth proportional to 9,021.59, 12,449.69 and 4,988.67 is: 6,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.59 : 12,449.69 = 4,988.67 : x
  2. Step 2: Convert to fraction form
    9,021.59/12,449.69 = 4,988.67/x
  3. Step 3: Cross multiply
    9,021.59x = 12,449.69 × 4,988.67
  4. Step 4: Simplify right side
    9,021.59x = 62,107,395.01
  5. Step 5: Solve for x
    x = 62,107,395.01/9,021.59
  6. Step 6: Final answer
    x = 6,884.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.