Home / 4,837.81-6,680.02-3,890.57

Finding the Fourth Proportional to 4,837.81, 6,680.02 and 3,890.57

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Solution

The fourth proportional to 4,837.81, 6,680.02 and 3,890.57 is: 5,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.81 : 6,680.02 = 3,890.57 : x
  2. Step 2: Convert to fraction form
    4,837.81/6,680.02 = 3,890.57/x
  3. Step 3: Cross multiply
    4,837.81x = 6,680.02 × 3,890.57
  4. Step 4: Simplify right side
    4,837.81x = 25,989,085.41
  5. Step 5: Solve for x
    x = 25,989,085.41/4,837.81
  6. Step 6: Final answer
    x = 5,372.08

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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.