Home / 7,756.21-10,703.81-4,399.16

Finding the Fourth Proportional to 7,756.21, 10,703.81 and 4,399.16

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Solution

The fourth proportional to 7,756.21, 10,703.81 and 4,399.16 is: 6,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.21 : 10,703.81 = 4,399.16 : x
  2. Step 2: Convert to fraction form
    7,756.21/10,703.81 = 4,399.16/x
  3. Step 3: Cross multiply
    7,756.21x = 10,703.81 × 4,399.16
  4. Step 4: Simplify right side
    7,756.21x = 47,087,772.80
  5. Step 5: Solve for x
    x = 47,087,772.80/7,756.21
  6. Step 6: Final answer
    x = 6,070.98

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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.