Home / 7,878.04-11,818.28-2,683.52

Finding the Fourth Proportional to 7,878.04, 11,818.28 and 2,683.52

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Solution

The fourth proportional to 7,878.04, 11,818.28 and 2,683.52 is: 4,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878.04 : 11,818.28 = 2,683.52 : x
  2. Step 2: Convert to fraction form
    7,878.04/11,818.28 = 2,683.52/x
  3. Step 3: Cross multiply
    7,878.04x = 11,818.28 × 2,683.52
  4. Step 4: Simplify right side
    7,878.04x = 31,714,590.75
  5. Step 5: Solve for x
    x = 31,714,590.75/7,878.04
  6. Step 6: Final answer
    x = 4,025.70

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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.