Home / 7,860.60-10,847.52-4,323.60

Finding the Fourth Proportional to 7,860.60, 10,847.52 and 4,323.60

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Solution

The fourth proportional to 7,860.60, 10,847.52 and 4,323.60 is: 5,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.60 : 10,847.52 = 4,323.60 : x
  2. Step 2: Convert to fraction form
    7,860.60/10,847.52 = 4,323.60/x
  3. Step 3: Cross multiply
    7,860.60x = 10,847.52 × 4,323.60
  4. Step 4: Simplify right side
    7,860.60x = 46,900,337.47
  5. Step 5: Solve for x
    x = 46,900,337.47/7,860.60
  6. Step 6: Final answer
    x = 5,966.51

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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.