Home / 7,038.81-10,560.63-2,657.52

Finding the Fourth Proportional to 7,038.81, 10,560.63 and 2,657.52

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Solution

The fourth proportional to 7,038.81, 10,560.63 and 2,657.52 is: 3,987.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.81 : 10,560.63 = 2,657.52 : x
  2. Step 2: Convert to fraction form
    7,038.81/10,560.63 = 2,657.52/x
  3. Step 3: Cross multiply
    7,038.81x = 10,560.63 × 2,657.52
  4. Step 4: Simplify right side
    7,038.81x = 28,065,085.44
  5. Step 5: Solve for x
    x = 28,065,085.44/7,038.81
  6. Step 6: Final answer
    x = 3,987.19

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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.