Home / 7,060-9,743.36-3,916.48

Finding the Fourth Proportional to 7,060, 9,743.36 and 3,916.48

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Solution

The fourth proportional to 7,060, 9,743.36 and 3,916.48 is: 5,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060 : 9,743.36 = 3,916.48 : x
  2. Step 2: Convert to fraction form
    7,060/9,743.36 = 3,916.48/x
  3. Step 3: Cross multiply
    7,060x = 9,743.36 × 3,916.48
  4. Step 4: Simplify right side
    7,060x = 38,159,674.57
  5. Step 5: Solve for x
    x = 38,159,674.57/7,060
  6. Step 6: Final answer
    x = 5,405.05

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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.