Home / 7,719.84-10,650.06-4,574.34

Finding the Fourth Proportional to 7,719.84, 10,650.06 and 4,574.34

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Solution

The fourth proportional to 7,719.84, 10,650.06 and 4,574.34 is: 6,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.84 : 10,650.06 = 4,574.34 : x
  2. Step 2: Convert to fraction form
    7,719.84/10,650.06 = 4,574.34/x
  3. Step 3: Cross multiply
    7,719.84x = 10,650.06 × 4,574.34
  4. Step 4: Simplify right side
    7,719.84x = 48,716,995.46
  5. Step 5: Solve for x
    x = 48,716,995.46/7,719.84
  6. Step 6: Final answer
    x = 6,310.62

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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.