Home / 4,656.93-6,426.87-2,889.72

Finding the Fourth Proportional to 4,656.93, 6,426.87 and 2,889.72

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Solution

The fourth proportional to 4,656.93, 6,426.87 and 2,889.72 is: 3,988.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,656.93 : 6,426.87 = 2,889.72 : x
  2. Step 2: Convert to fraction form
    4,656.93/6,426.87 = 2,889.72/x
  3. Step 3: Cross multiply
    4,656.93x = 6,426.87 × 2,889.72
  4. Step 4: Simplify right side
    4,656.93x = 18,571,854.78
  5. Step 5: Solve for x
    x = 18,571,854.78/4,656.93
  6. Step 6: Final answer
    x = 3,988.00

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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.