Home / 7,442.63-10,271.21-4,085.42

Finding the Fourth Proportional to 7,442.63, 10,271.21 and 4,085.42

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Solution

The fourth proportional to 7,442.63, 10,271.21 and 4,085.42 is: 5,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.63 : 10,271.21 = 4,085.42 : x
  2. Step 2: Convert to fraction form
    7,442.63/10,271.21 = 4,085.42/x
  3. Step 3: Cross multiply
    7,442.63x = 10,271.21 × 4,085.42
  4. Step 4: Simplify right side
    7,442.63x = 41,962,192.75
  5. Step 5: Solve for x
    x = 41,962,192.75/7,442.63
  6. Step 6: Final answer
    x = 5,638.08

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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.