Home / 7,541.80-10,386.18-5,442.60

Finding the Fourth Proportional to 7,541.80, 10,386.18 and 5,442.60

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Solution

The fourth proportional to 7,541.80, 10,386.18 and 5,442.60 is: 7,495.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.80 : 10,386.18 = 5,442.60 : x
  2. Step 2: Convert to fraction form
    7,541.80/10,386.18 = 5,442.60/x
  3. Step 3: Cross multiply
    7,541.80x = 10,386.18 × 5,442.60
  4. Step 4: Simplify right side
    7,541.80x = 56,527,823.27
  5. Step 5: Solve for x
    x = 56,527,823.27/7,541.80
  6. Step 6: Final answer
    x = 7,495.27

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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.