Home / 7,354.08-10,148.22-4,210.47

Finding the Fourth Proportional to 7,354.08, 10,148.22 and 4,210.47

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Solution

The fourth proportional to 7,354.08, 10,148.22 and 4,210.47 is: 5,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.08 : 10,148.22 = 4,210.47 : x
  2. Step 2: Convert to fraction form
    7,354.08/10,148.22 = 4,210.47/x
  3. Step 3: Cross multiply
    7,354.08x = 10,148.22 × 4,210.47
  4. Step 4: Simplify right side
    7,354.08x = 42,728,775.86
  5. Step 5: Solve for x
    x = 42,728,775.86/7,354.08
  6. Step 6: Final answer
    x = 5,810.21

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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.