Home / 7,354.22-10,148.60-4,210.20

Finding the Fourth Proportional to 7,354.22, 10,148.60 and 4,210.20

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Solution

The fourth proportional to 7,354.22, 10,148.60 and 4,210.20 is: 5,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.22 : 10,148.60 = 4,210.20 : x
  2. Step 2: Convert to fraction form
    7,354.22/10,148.60 = 4,210.20/x
  3. Step 3: Cross multiply
    7,354.22x = 10,148.60 × 4,210.20
  4. Step 4: Simplify right side
    7,354.22x = 42,727,635.72
  5. Step 5: Solve for x
    x = 42,727,635.72/7,354.22
  6. Step 6: Final answer
    x = 5,809.95

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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.