Home / 7,379.19-11,075.73-4,915.74

Finding the Fourth Proportional to 7,379.19, 11,075.73 and 4,915.74

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Solution

The fourth proportional to 7,379.19, 11,075.73 and 4,915.74 is: 7,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.19 : 11,075.73 = 4,915.74 : x
  2. Step 2: Convert to fraction form
    7,379.19/11,075.73 = 4,915.74/x
  3. Step 3: Cross multiply
    7,379.19x = 11,075.73 × 4,915.74
  4. Step 4: Simplify right side
    7,379.19x = 54,445,408.99
  5. Step 5: Solve for x
    x = 54,445,408.99/7,379.19
  6. Step 6: Final answer
    x = 7,378.24

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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.