Home / 7,864.53-10,853.04-4,279.47

Finding the Fourth Proportional to 7,864.53, 10,853.04 and 4,279.47

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Solution

The fourth proportional to 7,864.53, 10,853.04 and 4,279.47 is: 5,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.53 : 10,853.04 = 4,279.47 : x
  2. Step 2: Convert to fraction form
    7,864.53/10,853.04 = 4,279.47/x
  3. Step 3: Cross multiply
    7,864.53x = 10,853.04 × 4,279.47
  4. Step 4: Simplify right side
    7,864.53x = 46,445,259.09
  5. Step 5: Solve for x
    x = 46,445,259.09/7,864.53
  6. Step 6: Final answer
    x = 5,905.66

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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.