Home / 7,124.40-9,834.12-4,293.36

Finding the Fourth Proportional to 7,124.40, 9,834.12 and 4,293.36

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Solution

The fourth proportional to 7,124.40, 9,834.12 and 4,293.36 is: 5,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.40 : 9,834.12 = 4,293.36 : x
  2. Step 2: Convert to fraction form
    7,124.40/9,834.12 = 4,293.36/x
  3. Step 3: Cross multiply
    7,124.40x = 9,834.12 × 4,293.36
  4. Step 4: Simplify right side
    7,124.40x = 42,221,417.44
  5. Step 5: Solve for x
    x = 42,221,417.44/7,124.40
  6. Step 6: Final answer
    x = 5,926.31

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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.