Home / 7,038.12-10,560-2,656.82

Finding the Fourth Proportional to 7,038.12, 10,560 and 2,656.82

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Solution

The fourth proportional to 7,038.12, 10,560 and 2,656.82 is: 3,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.12 : 10,560 = 2,656.82 : x
  2. Step 2: Convert to fraction form
    7,038.12/10,560 = 2,656.82/x
  3. Step 3: Cross multiply
    7,038.12x = 10,560 × 2,656.82
  4. Step 4: Simplify right side
    7,038.12x = 28,056,019.20
  5. Step 5: Solve for x
    x = 28,056,019.20/7,038.12
  6. Step 6: Final answer
    x = 3,986.29

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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.