Home / 7,534.60-10,395.84-4,390.12

Finding the Fourth Proportional to 7,534.60, 10,395.84 and 4,390.12

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Solution

The fourth proportional to 7,534.60, 10,395.84 and 4,390.12 is: 6,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.60 : 10,395.84 = 4,390.12 : x
  2. Step 2: Convert to fraction form
    7,534.60/10,395.84 = 4,390.12/x
  3. Step 3: Cross multiply
    7,534.60x = 10,395.84 × 4,390.12
  4. Step 4: Simplify right side
    7,534.60x = 45,638,985.10
  5. Step 5: Solve for x
    x = 45,638,985.10/7,534.60
  6. Step 6: Final answer
    x = 6,057.25

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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.