Home / 7,347.51-10,139.31-4,203.63

Finding the Fourth Proportional to 7,347.51, 10,139.31 and 4,203.63

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Solution

The fourth proportional to 7,347.51, 10,139.31 and 4,203.63 is: 5,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.51 : 10,139.31 = 4,203.63 : x
  2. Step 2: Convert to fraction form
    7,347.51/10,139.31 = 4,203.63/x
  3. Step 3: Cross multiply
    7,347.51x = 10,139.31 × 4,203.63
  4. Step 4: Simplify right side
    7,347.51x = 42,621,907.70
  5. Step 5: Solve for x
    x = 42,621,907.70/7,347.51
  6. Step 6: Final answer
    x = 5,800.86

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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.