Home / 5,307.03-7,320.41-3,812.58

Finding the Fourth Proportional to 5,307.03, 7,320.41 and 3,812.58

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Solution

The fourth proportional to 5,307.03, 7,320.41 and 3,812.58 is: 5,258.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.03 : 7,320.41 = 3,812.58 : x
  2. Step 2: Convert to fraction form
    5,307.03/7,320.41 = 3,812.58/x
  3. Step 3: Cross multiply
    5,307.03x = 7,320.41 × 3,812.58
  4. Step 4: Simplify right side
    5,307.03x = 27,909,643.99
  5. Step 5: Solve for x
    x = 27,909,643.99/5,307.03
  6. Step 6: Final answer
    x = 5,258.99

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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.