Home / 7,806.24-10,776.13-4,977.41

Finding the Fourth Proportional to 7,806.24, 10,776.13 and 4,977.41

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Solution

The fourth proportional to 7,806.24, 10,776.13 and 4,977.41 is: 6,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806.24 : 10,776.13 = 4,977.41 : x
  2. Step 2: Convert to fraction form
    7,806.24/10,776.13 = 4,977.41/x
  3. Step 3: Cross multiply
    7,806.24x = 10,776.13 × 4,977.41
  4. Step 4: Simplify right side
    7,806.24x = 53,637,138.46
  5. Step 5: Solve for x
    x = 53,637,138.46/7,806.24
  6. Step 6: Final answer
    x = 6,871.06

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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.