Home / 7,628.71-10,528.08-4,271.73

Finding the Fourth Proportional to 7,628.71, 10,528.08 and 4,271.73

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Solution

The fourth proportional to 7,628.71, 10,528.08 and 4,271.73 is: 5,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.71 : 10,528.08 = 4,271.73 : x
  2. Step 2: Convert to fraction form
    7,628.71/10,528.08 = 4,271.73/x
  3. Step 3: Cross multiply
    7,628.71x = 10,528.08 × 4,271.73
  4. Step 4: Simplify right side
    7,628.71x = 44,973,115.18
  5. Step 5: Solve for x
    x = 44,973,115.18/7,628.71
  6. Step 6: Final answer
    x = 5,895.25

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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.