Home / 4,657.89-6,426.76-2,955.78

Finding the Fourth Proportional to 4,657.89, 6,426.76 and 2,955.78

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Solution

The fourth proportional to 4,657.89, 6,426.76 and 2,955.78 is: 4,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.89 : 6,426.76 = 2,955.78 : x
  2. Step 2: Convert to fraction form
    4,657.89/6,426.76 = 2,955.78/x
  3. Step 3: Cross multiply
    4,657.89x = 6,426.76 × 2,955.78
  4. Step 4: Simplify right side
    4,657.89x = 18,996,088.67
  5. Step 5: Solve for x
    x = 18,996,088.67/4,657.89
  6. Step 6: Final answer
    x = 4,078.26

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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.