Home / 8,140.77-12,210.93-2,594.45

Finding the Fourth Proportional to 8,140.77, 12,210.93 and 2,594.45

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Solution

The fourth proportional to 8,140.77, 12,210.93 and 2,594.45 is: 3,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.77 : 12,210.93 = 2,594.45 : x
  2. Step 2: Convert to fraction form
    8,140.77/12,210.93 = 2,594.45/x
  3. Step 3: Cross multiply
    8,140.77x = 12,210.93 × 2,594.45
  4. Step 4: Simplify right side
    8,140.77x = 31,680,601.88
  5. Step 5: Solve for x
    x = 31,680,601.88/8,140.77
  6. Step 6: Final answer
    x = 3,891.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.