Home / 7,051.30-9,730.34-3,864.56

Finding the Fourth Proportional to 7,051.30, 9,730.34 and 3,864.56

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Solution

The fourth proportional to 7,051.30, 9,730.34 and 3,864.56 is: 5,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.30 : 9,730.34 = 3,864.56 : x
  2. Step 2: Convert to fraction form
    7,051.30/9,730.34 = 3,864.56/x
  3. Step 3: Cross multiply
    7,051.30x = 9,730.34 × 3,864.56
  4. Step 4: Simplify right side
    7,051.30x = 37,603,482.75
  5. Step 5: Solve for x
    x = 37,603,482.75/7,051.30
  6. Step 6: Final answer
    x = 5,332.84

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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.