Home / 8,926.78-12,319.02-4,947.94

Finding the Fourth Proportional to 8,926.78, 12,319.02 and 4,947.94

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Solution

The fourth proportional to 8,926.78, 12,319.02 and 4,947.94 is: 6,828.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.78 : 12,319.02 = 4,947.94 : x
  2. Step 2: Convert to fraction form
    8,926.78/12,319.02 = 4,947.94/x
  3. Step 3: Cross multiply
    8,926.78x = 12,319.02 × 4,947.94
  4. Step 4: Simplify right side
    8,926.78x = 60,953,771.82
  5. Step 5: Solve for x
    x = 60,953,771.82/8,926.78
  6. Step 6: Final answer
    x = 6,828.19

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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.