Home / 7,628.16-10,527.36-4,442.64

Finding the Fourth Proportional to 7,628.16, 10,527.36 and 4,442.64

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Solution

The fourth proportional to 7,628.16, 10,527.36 and 4,442.64 is: 6,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.16 : 10,527.36 = 4,442.64 : x
  2. Step 2: Convert to fraction form
    7,628.16/10,527.36 = 4,442.64/x
  3. Step 3: Cross multiply
    7,628.16x = 10,527.36 × 4,442.64
  4. Step 4: Simplify right side
    7,628.16x = 46,769,270.63
  5. Step 5: Solve for x
    x = 46,769,270.63/7,628.16
  6. Step 6: Final answer
    x = 6,131.13

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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.