Home / 7,360.47-10,156.34-4,528.31

Finding the Fourth Proportional to 7,360.47, 10,156.34 and 4,528.31

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Solution

The fourth proportional to 7,360.47, 10,156.34 and 4,528.31 is: 6,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.47 : 10,156.34 = 4,528.31 : x
  2. Step 2: Convert to fraction form
    7,360.47/10,156.34 = 4,528.31/x
  3. Step 3: Cross multiply
    7,360.47x = 10,156.34 × 4,528.31
  4. Step 4: Simplify right side
    7,360.47x = 45,990,991.05
  5. Step 5: Solve for x
    x = 45,990,991.05/7,360.47
  6. Step 6: Final answer
    x = 6,248.38

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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.