Home / 7,037.28-10,529.49-4,215.75

Finding the Fourth Proportional to 7,037.28, 10,529.49 and 4,215.75

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Solution

The fourth proportional to 7,037.28, 10,529.49 and 4,215.75 is: 6,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,037.28 : 10,529.49 = 4,215.75 : x
  2. Step 2: Convert to fraction form
    7,037.28/10,529.49 = 4,215.75/x
  3. Step 3: Cross multiply
    7,037.28x = 10,529.49 × 4,215.75
  4. Step 4: Simplify right side
    7,037.28x = 44,389,673.79
  5. Step 5: Solve for x
    x = 44,389,673.79/7,037.28
  6. Step 6: Final answer
    x = 6,307.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.