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Finding the Fourth Proportional to 9,578.01, 14,368.50 and 4,895.46

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Solution

The fourth proportional to 9,578.01, 14,368.50 and 4,895.46 is: 7,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578.01 : 14,368.50 = 4,895.46 : x
  2. Step 2: Convert to fraction form
    9,578.01/14,368.50 = 4,895.46/x
  3. Step 3: Cross multiply
    9,578.01x = 14,368.50 × 4,895.46
  4. Step 4: Simplify right side
    9,578.01x = 70,340,417.01
  5. Step 5: Solve for x
    x = 70,340,417.01/9,578.01
  6. Step 6: Final answer
    x = 7,343.95

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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.