Home / 7,236.27-9,985.48-4,210.92

Finding the Fourth Proportional to 7,236.27, 9,985.48 and 4,210.92

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Solution

The fourth proportional to 7,236.27, 9,985.48 and 4,210.92 is: 5,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.27 : 9,985.48 = 4,210.92 : x
  2. Step 2: Convert to fraction form
    7,236.27/9,985.48 = 4,210.92/x
  3. Step 3: Cross multiply
    7,236.27x = 9,985.48 × 4,210.92
  4. Step 4: Simplify right side
    7,236.27x = 42,048,057.44
  5. Step 5: Solve for x
    x = 42,048,057.44/7,236.27
  6. Step 6: Final answer
    x = 5,810.74

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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.