Home / 7,901.40-10,903.84-4,364.68

Finding the Fourth Proportional to 7,901.40, 10,903.84 and 4,364.68

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Solution

The fourth proportional to 7,901.40, 10,903.84 and 4,364.68 is: 6,023.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.40 : 10,903.84 = 4,364.68 : x
  2. Step 2: Convert to fraction form
    7,901.40/10,903.84 = 4,364.68/x
  3. Step 3: Cross multiply
    7,901.40x = 10,903.84 × 4,364.68
  4. Step 4: Simplify right side
    7,901.40x = 47,591,772.37
  5. Step 5: Solve for x
    x = 47,591,772.37/7,901.40
  6. Step 6: Final answer
    x = 6,023.21

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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.