Home / 7,709.28-10,628.19-4,875.24

Finding the Fourth Proportional to 7,709.28, 10,628.19 and 4,875.24

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Solution

The fourth proportional to 7,709.28, 10,628.19 and 4,875.24 is: 6,721.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.28 : 10,628.19 = 4,875.24 : x
  2. Step 2: Convert to fraction form
    7,709.28/10,628.19 = 4,875.24/x
  3. Step 3: Cross multiply
    7,709.28x = 10,628.19 × 4,875.24
  4. Step 4: Simplify right side
    7,709.28x = 51,814,977.02
  5. Step 5: Solve for x
    x = 51,814,977.02/7,709.28
  6. Step 6: Final answer
    x = 6,721.12

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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.