Home / 9,225.79-12,731.66-5,246.67

Finding the Fourth Proportional to 9,225.79, 12,731.66 and 5,246.67

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Solution

The fourth proportional to 9,225.79, 12,731.66 and 5,246.67 is: 7,240.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225.79 : 12,731.66 = 5,246.67 : x
  2. Step 2: Convert to fraction form
    9,225.79/12,731.66 = 5,246.67/x
  3. Step 3: Cross multiply
    9,225.79x = 12,731.66 × 5,246.67
  4. Step 4: Simplify right side
    9,225.79x = 66,798,818.57
  5. Step 5: Solve for x
    x = 66,798,818.57/9,225.79
  6. Step 6: Final answer
    x = 7,240.44

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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.