Home / 7,347.48-10,141.20-4,205.40

Finding the Fourth Proportional to 7,347.48, 10,141.20 and 4,205.40

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Solution

The fourth proportional to 7,347.48, 10,141.20 and 4,205.40 is: 5,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.48 : 10,141.20 = 4,205.40 : x
  2. Step 2: Convert to fraction form
    7,347.48/10,141.20 = 4,205.40/x
  3. Step 3: Cross multiply
    7,347.48x = 10,141.20 × 4,205.40
  4. Step 4: Simplify right side
    7,347.48x = 42,647,802.48
  5. Step 5: Solve for x
    x = 42,647,802.48/7,347.48
  6. Step 6: Final answer
    x = 5,804.41

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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.