Home / 7,009.19-10,520.80-5,037.13

Finding the Fourth Proportional to 7,009.19, 10,520.80 and 5,037.13

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Solution

The fourth proportional to 7,009.19, 10,520.80 and 5,037.13 is: 7,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.19 : 10,520.80 = 5,037.13 : x
  2. Step 2: Convert to fraction form
    7,009.19/10,520.80 = 5,037.13/x
  3. Step 3: Cross multiply
    7,009.19x = 10,520.80 × 5,037.13
  4. Step 4: Simplify right side
    7,009.19x = 52,994,637.86
  5. Step 5: Solve for x
    x = 52,994,637.86/7,009.19
  6. Step 6: Final answer
    x = 7,560.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.