Home / 7,500.40-11,237.54-4,870.53

Finding the Fourth Proportional to 7,500.40, 11,237.54 and 4,870.53

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Solution

The fourth proportional to 7,500.40, 11,237.54 and 4,870.53 is: 7,297.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.40 : 11,237.54 = 4,870.53 : x
  2. Step 2: Convert to fraction form
    7,500.40/11,237.54 = 4,870.53/x
  3. Step 3: Cross multiply
    7,500.40x = 11,237.54 × 4,870.53
  4. Step 4: Simplify right side
    7,500.40x = 54,732,751.34
  5. Step 5: Solve for x
    x = 54,732,751.34/7,500.40
  6. Step 6: Final answer
    x = 7,297.31

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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.