Home / 10,435.79-15,656.25-3,040.32

Finding the Fourth Proportional to 10,435.79, 15,656.25 and 3,040.32

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Solution

The fourth proportional to 10,435.79, 15,656.25 and 3,040.32 is: 4,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.79 : 15,656.25 = 3,040.32 : x
  2. Step 2: Convert to fraction form
    10,435.79/15,656.25 = 3,040.32/x
  3. Step 3: Cross multiply
    10,435.79x = 15,656.25 × 3,040.32
  4. Step 4: Simplify right side
    10,435.79x = 47,600,010
  5. Step 5: Solve for x
    x = 47,600,010/10,435.79
  6. Step 6: Final answer
    x = 4,561.23

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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.