Home / 7,442.71-10,271.07-4,085.84

Finding the Fourth Proportional to 7,442.71, 10,271.07 and 4,085.84

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Solution

The fourth proportional to 7,442.71, 10,271.07 and 4,085.84 is: 5,638.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.71 : 10,271.07 = 4,085.84 : x
  2. Step 2: Convert to fraction form
    7,442.71/10,271.07 = 4,085.84/x
  3. Step 3: Cross multiply
    7,442.71x = 10,271.07 × 4,085.84
  4. Step 4: Simplify right side
    7,442.71x = 41,965,948.65
  5. Step 5: Solve for x
    x = 41,965,948.65/7,442.71
  6. Step 6: Final answer
    x = 5,638.53

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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.