Home / 6,587.39-9,090.63-3,603.21

Finding the Fourth Proportional to 6,587.39, 9,090.63 and 3,603.21

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Solution

The fourth proportional to 6,587.39, 9,090.63 and 3,603.21 is: 4,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,587.39 : 9,090.63 = 3,603.21 : x
  2. Step 2: Convert to fraction form
    6,587.39/9,090.63 = 3,603.21/x
  3. Step 3: Cross multiply
    6,587.39x = 9,090.63 × 3,603.21
  4. Step 4: Simplify right side
    6,587.39x = 32,755,448.92
  5. Step 5: Solve for x
    x = 32,755,448.92/6,587.39
  6. Step 6: Final answer
    x = 4,972.45

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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.