Home / 4,257.06-5,870.70-2,818.86

Finding the Fourth Proportional to 4,257.06, 5,870.70 and 2,818.86

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Solution

The fourth proportional to 4,257.06, 5,870.70 and 2,818.86 is: 3,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.06 : 5,870.70 = 2,818.86 : x
  2. Step 2: Convert to fraction form
    4,257.06/5,870.70 = 2,818.86/x
  3. Step 3: Cross multiply
    4,257.06x = 5,870.70 × 2,818.86
  4. Step 4: Simplify right side
    4,257.06x = 16,548,681.40
  5. Step 5: Solve for x
    x = 16,548,681.40/4,257.06
  6. Step 6: Final answer
    x = 3,887.35

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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.