Home / 5,509.13-7,603.43-3,521.01

Finding the Fourth Proportional to 5,509.13, 7,603.43 and 3,521.01

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Solution

The fourth proportional to 5,509.13, 7,603.43 and 3,521.01 is: 4,859.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.13 : 7,603.43 = 3,521.01 : x
  2. Step 2: Convert to fraction form
    5,509.13/7,603.43 = 3,521.01/x
  3. Step 3: Cross multiply
    5,509.13x = 7,603.43 × 3,521.01
  4. Step 4: Simplify right side
    5,509.13x = 26,771,753.06
  5. Step 5: Solve for x
    x = 26,771,753.06/5,509.13
  6. Step 6: Final answer
    x = 4,859.52

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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.