Home / 7,628.13-10,527.89-4,983.21

Finding the Fourth Proportional to 7,628.13, 10,527.89 and 4,983.21

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Solution

The fourth proportional to 7,628.13, 10,527.89 and 4,983.21 is: 6,877.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.13 : 10,527.89 = 4,983.21 : x
  2. Step 2: Convert to fraction form
    7,628.13/10,527.89 = 4,983.21/x
  3. Step 3: Cross multiply
    7,628.13x = 10,527.89 × 4,983.21
  4. Step 4: Simplify right side
    7,628.13x = 52,462,661.81
  5. Step 5: Solve for x
    x = 52,462,661.81/7,628.13
  6. Step 6: Final answer
    x = 6,877.53

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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.