Home / 7,628.13-10,526.39-4,270.89

Finding the Fourth Proportional to 7,628.13, 10,526.39 and 4,270.89

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Solution

The fourth proportional to 7,628.13, 10,526.39 and 4,270.89 is: 5,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.13 : 10,526.39 = 4,270.89 : x
  2. Step 2: Convert to fraction form
    7,628.13/10,526.39 = 4,270.89/x
  3. Step 3: Cross multiply
    7,628.13x = 10,526.39 × 4,270.89
  4. Step 4: Simplify right side
    7,628.13x = 44,957,014.71
  5. Step 5: Solve for x
    x = 44,957,014.71/7,628.13
  6. Step 6: Final answer
    x = 5,893.58

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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.