Home / 7,643.04-10,541.40-5,124.30

Finding the Fourth Proportional to 7,643.04, 10,541.40 and 5,124.30

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Solution

The fourth proportional to 7,643.04, 10,541.40 and 5,124.30 is: 7,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.04 : 10,541.40 = 5,124.30 : x
  2. Step 2: Convert to fraction form
    7,643.04/10,541.40 = 5,124.30/x
  3. Step 3: Cross multiply
    7,643.04x = 10,541.40 × 5,124.30
  4. Step 4: Simplify right side
    7,643.04x = 54,017,296.02
  5. Step 5: Solve for x
    x = 54,017,296.02/7,643.04
  6. Step 6: Final answer
    x = 7,067.51

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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.