Home / 7,851.20-10,834.58-4,314.47

Finding the Fourth Proportional to 7,851.20, 10,834.58 and 4,314.47

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Solution

The fourth proportional to 7,851.20, 10,834.58 and 4,314.47 is: 5,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.20 : 10,834.58 = 4,314.47 : x
  2. Step 2: Convert to fraction form
    7,851.20/10,834.58 = 4,314.47/x
  3. Step 3: Cross multiply
    7,851.20x = 10,834.58 × 4,314.47
  4. Step 4: Simplify right side
    7,851.20x = 46,745,426.99
  5. Step 5: Solve for x
    x = 46,745,426.99/7,851.20
  6. Step 6: Final answer
    x = 5,953.93

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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.