Home / 7,628.55-10,527.21-4,442.40

Finding the Fourth Proportional to 7,628.55, 10,527.21 and 4,442.40

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Solution

The fourth proportional to 7,628.55, 10,527.21 and 4,442.40 is: 6,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.55 : 10,527.21 = 4,442.40 : x
  2. Step 2: Convert to fraction form
    7,628.55/10,527.21 = 4,442.40/x
  3. Step 3: Cross multiply
    7,628.55x = 10,527.21 × 4,442.40
  4. Step 4: Simplify right side
    7,628.55x = 46,766,077.70
  5. Step 5: Solve for x
    x = 46,766,077.70/7,628.55
  6. Step 6: Final answer
    x = 6,130.40

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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.