Home / 7,478.95-10,319.74-4,334.53

Finding the Fourth Proportional to 7,478.95, 10,319.74 and 4,334.53

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Solution

The fourth proportional to 7,478.95, 10,319.74 and 4,334.53 is: 5,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.95 : 10,319.74 = 4,334.53 : x
  2. Step 2: Convert to fraction form
    7,478.95/10,319.74 = 4,334.53/x
  3. Step 3: Cross multiply
    7,478.95x = 10,319.74 × 4,334.53
  4. Step 4: Simplify right side
    7,478.95x = 44,731,222.62
  5. Step 5: Solve for x
    x = 44,731,222.62/7,478.95
  6. Step 6: Final answer
    x = 5,980.95

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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.