Home / 5,294.79-7,307.55-3,807.63

Finding the Fourth Proportional to 5,294.79, 7,307.55 and 3,807.63

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Solution

The fourth proportional to 5,294.79, 7,307.55 and 3,807.63 is: 5,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.79 : 7,307.55 = 3,807.63 : x
  2. Step 2: Convert to fraction form
    5,294.79/7,307.55 = 3,807.63/x
  3. Step 3: Cross multiply
    5,294.79x = 7,307.55 × 3,807.63
  4. Step 4: Simplify right side
    5,294.79x = 27,824,446.61
  5. Step 5: Solve for x
    x = 27,824,446.61/5,294.79
  6. Step 6: Final answer
    x = 5,255.06

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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.