Home / 6,763.20-9,364.32-6,590.40

Finding the Fourth Proportional to 6,763.20, 9,364.32 and 6,590.40

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Solution

The fourth proportional to 6,763.20, 9,364.32 and 6,590.40 is: 9,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.20 : 9,364.32 = 6,590.40 : x
  2. Step 2: Convert to fraction form
    6,763.20/9,364.32 = 6,590.40/x
  3. Step 3: Cross multiply
    6,763.20x = 9,364.32 × 6,590.40
  4. Step 4: Simplify right side
    6,763.20x = 61,714,614.53
  5. Step 5: Solve for x
    x = 61,714,614.53/6,763.20
  6. Step 6: Final answer
    x = 9,125.06

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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.