Home / 7,020.32-10,530.48-2,090.03

Finding the Fourth Proportional to 7,020.32, 10,530.48 and 2,090.03

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Solution

The fourth proportional to 7,020.32, 10,530.48 and 2,090.03 is: 3,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.32 : 10,530.48 = 2,090.03 : x
  2. Step 2: Convert to fraction form
    7,020.32/10,530.48 = 2,090.03/x
  3. Step 3: Cross multiply
    7,020.32x = 10,530.48 × 2,090.03
  4. Step 4: Simplify right side
    7,020.32x = 22,009,019.11
  5. Step 5: Solve for x
    x = 22,009,019.11/7,020.32
  6. Step 6: Final answer
    x = 3,135.05

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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.