Home / 7,864.60-10,853.18-4,507.49

Finding the Fourth Proportional to 7,864.60, 10,853.18 and 4,507.49

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Solution

The fourth proportional to 7,864.60, 10,853.18 and 4,507.49 is: 6,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.60 : 10,853.18 = 4,507.49 : x
  2. Step 2: Convert to fraction form
    7,864.60/10,853.18 = 4,507.49/x
  3. Step 3: Cross multiply
    7,864.60x = 10,853.18 × 4,507.49
  4. Step 4: Simplify right side
    7,864.60x = 48,920,600.32
  5. Step 5: Solve for x
    x = 48,920,600.32/7,864.60
  6. Step 6: Final answer
    x = 6,220.35

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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.