Home / 7,742.84-10,685.01-4,206.07

Finding the Fourth Proportional to 7,742.84, 10,685.01 and 4,206.07

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Solution

The fourth proportional to 7,742.84, 10,685.01 and 4,206.07 is: 5,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.84 : 10,685.01 = 4,206.07 : x
  2. Step 2: Convert to fraction form
    7,742.84/10,685.01 = 4,206.07/x
  3. Step 3: Cross multiply
    7,742.84x = 10,685.01 × 4,206.07
  4. Step 4: Simplify right side
    7,742.84x = 44,941,900.01
  5. Step 5: Solve for x
    x = 44,941,900.01/7,742.84
  6. Step 6: Final answer
    x = 5,804.32

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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.