Home / 6,570.45-9,860.72-2,678.13

Finding the Fourth Proportional to 6,570.45, 9,860.72 and 2,678.13

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Solution

The fourth proportional to 6,570.45, 9,860.72 and 2,678.13 is: 4,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.45 : 9,860.72 = 2,678.13 : x
  2. Step 2: Convert to fraction form
    6,570.45/9,860.72 = 2,678.13/x
  3. Step 3: Cross multiply
    6,570.45x = 9,860.72 × 2,678.13
  4. Step 4: Simplify right side
    6,570.45x = 26,408,276.66
  5. Step 5: Solve for x
    x = 26,408,276.66/6,570.45
  6. Step 6: Final answer
    x = 4,019.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.