Home / 4,688.16-7,030.52-1,400.13

Finding the Fourth Proportional to 4,688.16, 7,030.52 and 1,400.13

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Solution

The fourth proportional to 4,688.16, 7,030.52 and 1,400.13 is: 2,099.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.16 : 7,030.52 = 1,400.13 : x
  2. Step 2: Convert to fraction form
    4,688.16/7,030.52 = 1,400.13/x
  3. Step 3: Cross multiply
    4,688.16x = 7,030.52 × 1,400.13
  4. Step 4: Simplify right side
    4,688.16x = 9,843,634.97
  5. Step 5: Solve for x
    x = 9,843,634.97/4,688.16
  6. Step 6: Final answer
    x = 2,099.68

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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.