Home / 7,862.04-10,851.30-4,505.40

Finding the Fourth Proportional to 7,862.04, 10,851.30 and 4,505.40

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Solution

The fourth proportional to 7,862.04, 10,851.30 and 4,505.40 is: 6,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.04 : 10,851.30 = 4,505.40 : x
  2. Step 2: Convert to fraction form
    7,862.04/10,851.30 = 4,505.40/x
  3. Step 3: Cross multiply
    7,862.04x = 10,851.30 × 4,505.40
  4. Step 4: Simplify right side
    7,862.04x = 48,889,447.02
  5. Step 5: Solve for x
    x = 48,889,447.02/7,862.04
  6. Step 6: Final answer
    x = 6,218.42

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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.