Home / 5,113.58-7,670.47-1,603.51

Finding the Fourth Proportional to 5,113.58, 7,670.47 and 1,603.51

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Solution

The fourth proportional to 5,113.58, 7,670.47 and 1,603.51 is: 2,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.58 : 7,670.47 = 1,603.51 : x
  2. Step 2: Convert to fraction form
    5,113.58/7,670.47 = 1,603.51/x
  3. Step 3: Cross multiply
    5,113.58x = 7,670.47 × 1,603.51
  4. Step 4: Simplify right side
    5,113.58x = 12,299,682.93
  5. Step 5: Solve for x
    x = 12,299,682.93/5,113.58
  6. Step 6: Final answer
    x = 2,405.30

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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.