Home / 4,878.93-6,729.23-4,207.92

Finding the Fourth Proportional to 4,878.93, 6,729.23 and 4,207.92

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Solution

The fourth proportional to 4,878.93, 6,729.23 and 4,207.92 is: 5,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.93 : 6,729.23 = 4,207.92 : x
  2. Step 2: Convert to fraction form
    4,878.93/6,729.23 = 4,207.92/x
  3. Step 3: Cross multiply
    4,878.93x = 6,729.23 × 4,207.92
  4. Step 4: Simplify right side
    4,878.93x = 28,316,040.46
  5. Step 5: Solve for x
    x = 28,316,040.46/4,878.93
  6. Step 6: Final answer
    x = 5,803.74

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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.