Home / 7,442.91-10,271.19-4,085.85

Finding the Fourth Proportional to 7,442.91, 10,271.19 and 4,085.85

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Solution

The fourth proportional to 7,442.91, 10,271.19 and 4,085.85 is: 5,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.91 : 10,271.19 = 4,085.85 : x
  2. Step 2: Convert to fraction form
    7,442.91/10,271.19 = 4,085.85/x
  3. Step 3: Cross multiply
    7,442.91x = 10,271.19 × 4,085.85
  4. Step 4: Simplify right side
    7,442.91x = 41,966,541.66
  5. Step 5: Solve for x
    x = 41,966,541.66/7,442.91
  6. Step 6: Final answer
    x = 5,638.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.