Home / 7,856.46-10,830.51-5,491.26

Finding the Fourth Proportional to 7,856.46, 10,830.51 and 5,491.26

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Solution

The fourth proportional to 7,856.46, 10,830.51 and 5,491.26 is: 7,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.46 : 10,830.51 = 5,491.26 : x
  2. Step 2: Convert to fraction form
    7,856.46/10,830.51 = 5,491.26/x
  3. Step 3: Cross multiply
    7,856.46x = 10,830.51 × 5,491.26
  4. Step 4: Simplify right side
    7,856.46x = 59,473,146.34
  5. Step 5: Solve for x
    x = 59,473,146.34/7,856.46
  6. Step 6: Final answer
    x = 7,569.97

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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.