Home / 9,206.71-12,706.51-5,430.94

Finding the Fourth Proportional to 9,206.71, 12,706.51 and 5,430.94

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Solution

The fourth proportional to 9,206.71, 12,706.51 and 5,430.94 is: 7,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206.71 : 12,706.51 = 5,430.94 : x
  2. Step 2: Convert to fraction form
    9,206.71/12,706.51 = 5,430.94/x
  3. Step 3: Cross multiply
    9,206.71x = 12,706.51 × 5,430.94
  4. Step 4: Simplify right side
    9,206.71x = 69,008,293.42
  5. Step 5: Solve for x
    x = 69,008,293.42/9,206.71
  6. Step 6: Final answer
    x = 7,495.43

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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.