Home / 8,723.39-12,038.54-4,946.71

Finding the Fourth Proportional to 8,723.39, 12,038.54 and 4,946.71

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Solution

The fourth proportional to 8,723.39, 12,038.54 and 4,946.71 is: 6,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.39 : 12,038.54 = 4,946.71 : x
  2. Step 2: Convert to fraction form
    8,723.39/12,038.54 = 4,946.71/x
  3. Step 3: Cross multiply
    8,723.39x = 12,038.54 × 4,946.71
  4. Step 4: Simplify right side
    8,723.39x = 59,551,106.01
  5. Step 5: Solve for x
    x = 59,551,106.01/8,723.39
  6. Step 6: Final answer
    x = 6,826.61

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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.