Home / 4,720.46-7,079.27-1,432.67

Finding the Fourth Proportional to 4,720.46, 7,079.27 and 1,432.67

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Solution

The fourth proportional to 4,720.46, 7,079.27 and 1,432.67 is: 2,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.46 : 7,079.27 = 1,432.67 : x
  2. Step 2: Convert to fraction form
    4,720.46/7,079.27 = 1,432.67/x
  3. Step 3: Cross multiply
    4,720.46x = 7,079.27 × 1,432.67
  4. Step 4: Simplify right side
    4,720.46x = 10,142,215.19
  5. Step 5: Solve for x
    x = 10,142,215.19/4,720.46
  6. Step 6: Final answer
    x = 2,148.57

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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.