Home / 5,303.60-7,312.92-3,806.72

Finding the Fourth Proportional to 5,303.60, 7,312.92 and 3,806.72

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Solution

The fourth proportional to 5,303.60, 7,312.92 and 3,806.72 is: 5,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.60 : 7,312.92 = 3,806.72 : x
  2. Step 2: Convert to fraction form
    5,303.60/7,312.92 = 3,806.72/x
  3. Step 3: Cross multiply
    5,303.60x = 7,312.92 × 3,806.72
  4. Step 4: Simplify right side
    5,303.60x = 27,838,238.82
  5. Step 5: Solve for x
    x = 27,838,238.82/5,303.60
  6. Step 6: Final answer
    x = 5,248.93

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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.