Home / 7,834.60-10,812.43-4,298.50

Finding the Fourth Proportional to 7,834.60, 10,812.43 and 4,298.50

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Solution

The fourth proportional to 7,834.60, 10,812.43 and 4,298.50 is: 5,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.60 : 10,812.43 = 4,298.50 : x
  2. Step 2: Convert to fraction form
    7,834.60/10,812.43 = 4,298.50/x
  3. Step 3: Cross multiply
    7,834.60x = 10,812.43 × 4,298.50
  4. Step 4: Simplify right side
    7,834.60x = 46,477,230.36
  5. Step 5: Solve for x
    x = 46,477,230.36/7,834.60
  6. Step 6: Final answer
    x = 5,932.30

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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.