Home / 4,739.02-7,108.52-2,140.12

Finding the Fourth Proportional to 4,739.02, 7,108.52 and 2,140.12

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Solution

The fourth proportional to 4,739.02, 7,108.52 and 2,140.12 is: 3,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.02 : 7,108.52 = 2,140.12 : x
  2. Step 2: Convert to fraction form
    4,739.02/7,108.52 = 2,140.12/x
  3. Step 3: Cross multiply
    4,739.02x = 7,108.52 × 2,140.12
  4. Step 4: Simplify right side
    4,739.02x = 15,213,085.82
  5. Step 5: Solve for x
    x = 15,213,085.82/4,739.02
  6. Step 6: Final answer
    x = 3,210.18

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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.