Home / 7,855.06-10,840.02-4,318.50

Finding the Fourth Proportional to 7,855.06, 10,840.02 and 4,318.50

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Solution

The fourth proportional to 7,855.06, 10,840.02 and 4,318.50 is: 5,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.06 : 10,840.02 = 4,318.50 : x
  2. Step 2: Convert to fraction form
    7,855.06/10,840.02 = 4,318.50/x
  3. Step 3: Cross multiply
    7,855.06x = 10,840.02 × 4,318.50
  4. Step 4: Simplify right side
    7,855.06x = 46,812,626.37
  5. Step 5: Solve for x
    x = 46,812,626.37/7,855.06
  6. Step 6: Final answer
    x = 5,959.55

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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.