Home / 8,574.30-12,860.58-5,818.68

Finding the Fourth Proportional to 8,574.30, 12,860.58 and 5,818.68

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Solution

The fourth proportional to 8,574.30, 12,860.58 and 5,818.68 is: 8,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.30 : 12,860.58 = 5,818.68 : x
  2. Step 2: Convert to fraction form
    8,574.30/12,860.58 = 5,818.68/x
  3. Step 3: Cross multiply
    8,574.30x = 12,860.58 × 5,818.68
  4. Step 4: Simplify right side
    8,574.30x = 74,831,599.63
  5. Step 5: Solve for x
    x = 74,831,599.63/8,574.30
  6. Step 6: Final answer
    x = 8,727.43

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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.