Home / 7,135.79-9,851.34-4,303.88

Finding the Fourth Proportional to 7,135.79, 9,851.34 and 4,303.88

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Solution

The fourth proportional to 7,135.79, 9,851.34 and 4,303.88 is: 5,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.79 : 9,851.34 = 4,303.88 : x
  2. Step 2: Convert to fraction form
    7,135.79/9,851.34 = 4,303.88/x
  3. Step 3: Cross multiply
    7,135.79x = 9,851.34 × 4,303.88
  4. Step 4: Simplify right side
    7,135.79x = 42,398,935.94
  5. Step 5: Solve for x
    x = 42,398,935.94/7,135.79
  6. Step 6: Final answer
    x = 5,941.73

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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.