Home / 7,216.23-10,829.79-4,870.68

Finding the Fourth Proportional to 7,216.23, 10,829.79 and 4,870.68

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Solution

The fourth proportional to 7,216.23, 10,829.79 and 4,870.68 is: 7,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.23 : 10,829.79 = 4,870.68 : x
  2. Step 2: Convert to fraction form
    7,216.23/10,829.79 = 4,870.68/x
  3. Step 3: Cross multiply
    7,216.23x = 10,829.79 × 4,870.68
  4. Step 4: Simplify right side
    7,216.23x = 52,748,441.56
  5. Step 5: Solve for x
    x = 52,748,441.56/7,216.23
  6. Step 6: Final answer
    x = 7,309.70

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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.