Home / 4,888.45-6,745.12-2,900.77

Finding the Fourth Proportional to 4,888.45, 6,745.12 and 2,900.77

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Solution

The fourth proportional to 4,888.45, 6,745.12 and 2,900.77 is: 4,002.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.45 : 6,745.12 = 2,900.77 : x
  2. Step 2: Convert to fraction form
    4,888.45/6,745.12 = 2,900.77/x
  3. Step 3: Cross multiply
    4,888.45x = 6,745.12 × 2,900.77
  4. Step 4: Simplify right side
    4,888.45x = 19,566,041.74
  5. Step 5: Solve for x
    x = 19,566,041.74/4,888.45
  6. Step 6: Final answer
    x = 4,002.50

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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.