Home / 5,718.39-8,574.84-2,429.68

Finding the Fourth Proportional to 5,718.39, 8,574.84 and 2,429.68

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Solution

The fourth proportional to 5,718.39, 8,574.84 and 2,429.68 is: 3,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.39 : 8,574.84 = 2,429.68 : x
  2. Step 2: Convert to fraction form
    5,718.39/8,574.84 = 2,429.68/x
  3. Step 3: Cross multiply
    5,718.39x = 8,574.84 × 2,429.68
  4. Step 4: Simplify right side
    5,718.39x = 20,834,117.25
  5. Step 5: Solve for x
    x = 20,834,117.25/5,718.39
  6. Step 6: Final answer
    x = 3,643.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.