Home / 4,670.02-6,445.11-2,782.18

Finding the Fourth Proportional to 4,670.02, 6,445.11 and 2,782.18

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Solution

The fourth proportional to 4,670.02, 6,445.11 and 2,782.18 is: 3,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.02 : 6,445.11 = 2,782.18 : x
  2. Step 2: Convert to fraction form
    4,670.02/6,445.11 = 2,782.18/x
  3. Step 3: Cross multiply
    4,670.02x = 6,445.11 × 2,782.18
  4. Step 4: Simplify right side
    4,670.02x = 17,931,456.14
  5. Step 5: Solve for x
    x = 17,931,456.14/4,670.02
  6. Step 6: Final answer
    x = 3,839.70

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Double scale
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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.