Home / 4,700.12-6,485.98-2,810.59

Finding the Fourth Proportional to 4,700.12, 6,485.98 and 2,810.59

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Solution

The fourth proportional to 4,700.12, 6,485.98 and 2,810.59 is: 3,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.12 : 6,485.98 = 2,810.59 : x
  2. Step 2: Convert to fraction form
    4,700.12/6,485.98 = 2,810.59/x
  3. Step 3: Cross multiply
    4,700.12x = 6,485.98 × 2,810.59
  4. Step 4: Simplify right side
    4,700.12x = 18,229,426.85
  5. Step 5: Solve for x
    x = 18,229,426.85/4,700.12
  6. Step 6: Final answer
    x = 3,878.50

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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.