Home / 7,038.23-10,559.12-2,655.72

Finding the Fourth Proportional to 7,038.23, 10,559.12 and 2,655.72

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Solution

The fourth proportional to 7,038.23, 10,559.12 and 2,655.72 is: 3,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.23 : 10,559.12 = 2,655.72 : x
  2. Step 2: Convert to fraction form
    7,038.23/10,559.12 = 2,655.72/x
  3. Step 3: Cross multiply
    7,038.23x = 10,559.12 × 2,655.72
  4. Step 4: Simplify right side
    7,038.23x = 28,042,052.89
  5. Step 5: Solve for x
    x = 28,042,052.89/7,038.23
  6. Step 6: Final answer
    x = 3,984.25

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1.5x scale

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.