Home / 4,977.45-6,870.29-3,485.77

Finding the Fourth Proportional to 4,977.45, 6,870.29 and 3,485.77

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Solution

The fourth proportional to 4,977.45, 6,870.29 and 3,485.77 is: 4,811.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.45 : 6,870.29 = 3,485.77 : x
  2. Step 2: Convert to fraction form
    4,977.45/6,870.29 = 3,485.77/x
  3. Step 3: Cross multiply
    4,977.45x = 6,870.29 × 3,485.77
  4. Step 4: Simplify right side
    4,977.45x = 23,948,216.17
  5. Step 5: Solve for x
    x = 23,948,216.17/4,977.45
  6. Step 6: Final answer
    x = 4,811.34

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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.