Home / 8,458.86-12,686.76-2,535.60

Finding the Fourth Proportional to 8,458.86, 12,686.76 and 2,535.60

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Solution

The fourth proportional to 8,458.86, 12,686.76 and 2,535.60 is: 3,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.86 : 12,686.76 = 2,535.60 : x
  2. Step 2: Convert to fraction form
    8,458.86/12,686.76 = 2,535.60/x
  3. Step 3: Cross multiply
    8,458.86x = 12,686.76 × 2,535.60
  4. Step 4: Simplify right side
    8,458.86x = 32,168,596.23
  5. Step 5: Solve for x
    x = 32,168,596.23/8,458.86
  6. Step 6: Final answer
    x = 3,802.95

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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.