Home / 5,307.53-7,325.40-3,515.03

Finding the Fourth Proportional to 5,307.53, 7,325.40 and 3,515.03

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Solution

The fourth proportional to 5,307.53, 7,325.40 and 3,515.03 is: 4,851.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.53 : 7,325.40 = 3,515.03 : x
  2. Step 2: Convert to fraction form
    5,307.53/7,325.40 = 3,515.03/x
  3. Step 3: Cross multiply
    5,307.53x = 7,325.40 × 3,515.03
  4. Step 4: Simplify right side
    5,307.53x = 25,748,964.14
  5. Step 5: Solve for x
    x = 25,748,964.14/5,307.53
  6. Step 6: Final answer
    x = 4,851.41

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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.