Home / 7,518.10-11,260.74-4,587.52

Finding the Fourth Proportional to 7,518.10, 11,260.74 and 4,587.52

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Solution

The fourth proportional to 7,518.10, 11,260.74 and 4,587.52 is: 6,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.10 : 11,260.74 = 4,587.52 : x
  2. Step 2: Convert to fraction form
    7,518.10/11,260.74 = 4,587.52/x
  3. Step 3: Cross multiply
    7,518.10x = 11,260.74 × 4,587.52
  4. Step 4: Simplify right side
    7,518.10x = 51,658,869.96
  5. Step 5: Solve for x
    x = 51,658,869.96/7,518.10
  6. Step 6: Final answer
    x = 6,871.27

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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.