Home / 7,742.95-10,685.23-4,206.13

Finding the Fourth Proportional to 7,742.95, 10,685.23 and 4,206.13

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Solution

The fourth proportional to 7,742.95, 10,685.23 and 4,206.13 is: 5,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.95 : 10,685.23 = 4,206.13 : x
  2. Step 2: Convert to fraction form
    7,742.95/10,685.23 = 4,206.13/x
  3. Step 3: Cross multiply
    7,742.95x = 10,685.23 × 4,206.13
  4. Step 4: Simplify right side
    7,742.95x = 44,943,466.46
  5. Step 5: Solve for x
    x = 44,943,466.46/7,742.95
  6. Step 6: Final answer
    x = 5,804.44

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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.