Home / 4,688.29-7,032.45-1,765.81

Finding the Fourth Proportional to 4,688.29, 7,032.45 and 1,765.81

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Solution

The fourth proportional to 4,688.29, 7,032.45 and 1,765.81 is: 2,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.29 : 7,032.45 = 1,765.81 : x
  2. Step 2: Convert to fraction form
    4,688.29/7,032.45 = 1,765.81/x
  3. Step 3: Cross multiply
    4,688.29x = 7,032.45 × 1,765.81
  4. Step 4: Simplify right side
    4,688.29x = 12,417,970.53
  5. Step 5: Solve for x
    x = 12,417,970.53/4,688.29
  6. Step 6: Final answer
    x = 2,648.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.