Home / 7,447.16-10,277.07-4,090.01

Finding the Fourth Proportional to 7,447.16, 10,277.07 and 4,090.01

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Solution

The fourth proportional to 7,447.16, 10,277.07 and 4,090.01 is: 5,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.16 : 10,277.07 = 4,090.01 : x
  2. Step 2: Convert to fraction form
    7,447.16/10,277.07 = 4,090.01/x
  3. Step 3: Cross multiply
    7,447.16x = 10,277.07 × 4,090.01
  4. Step 4: Simplify right side
    7,447.16x = 42,033,267.69
  5. Step 5: Solve for x
    x = 42,033,267.69/7,447.16
  6. Step 6: Final answer
    x = 5,644.20

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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.