Home / 7,772.04-10,729.40-5,267.40

Finding the Fourth Proportional to 7,772.04, 10,729.40 and 5,267.40

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Solution

The fourth proportional to 7,772.04, 10,729.40 and 5,267.40 is: 7,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.04 : 10,729.40 = 5,267.40 : x
  2. Step 2: Convert to fraction form
    7,772.04/10,729.40 = 5,267.40/x
  3. Step 3: Cross multiply
    7,772.04x = 10,729.40 × 5,267.40
  4. Step 4: Simplify right side
    7,772.04x = 56,516,041.56
  5. Step 5: Solve for x
    x = 56,516,041.56/7,772.04
  6. Step 6: Final answer
    x = 7,271.71

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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.