Home / 7,848.64-10,827.99-4,490.80

Finding the Fourth Proportional to 7,848.64, 10,827.99 and 4,490.80

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Solution

The fourth proportional to 7,848.64, 10,827.99 and 4,490.80 is: 6,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.64 : 10,827.99 = 4,490.80 : x
  2. Step 2: Convert to fraction form
    7,848.64/10,827.99 = 4,490.80/x
  3. Step 3: Cross multiply
    7,848.64x = 10,827.99 × 4,490.80
  4. Step 4: Simplify right side
    7,848.64x = 48,626,337.49
  5. Step 5: Solve for x
    x = 48,626,337.49/7,848.64
  6. Step 6: Final answer
    x = 6,195.51

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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.