Home / 7,886.40-10,883.36-4,349.56

Finding the Fourth Proportional to 7,886.40, 10,883.36 and 4,349.56

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Solution

The fourth proportional to 7,886.40, 10,883.36 and 4,349.56 is: 6,002.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.40 : 10,883.36 = 4,349.56 : x
  2. Step 2: Convert to fraction form
    7,886.40/10,883.36 = 4,349.56/x
  3. Step 3: Cross multiply
    7,886.40x = 10,883.36 × 4,349.56
  4. Step 4: Simplify right side
    7,886.40x = 47,337,827.32
  5. Step 5: Solve for x
    x = 47,337,827.32/7,886.40
  6. Step 6: Final answer
    x = 6,002.46

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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.