Home / 9,478.32-13,075.84-5,497.12

Finding the Fourth Proportional to 9,478.32, 13,075.84 and 5,497.12

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Solution

The fourth proportional to 9,478.32, 13,075.84 and 5,497.12 is: 7,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.32 : 13,075.84 = 5,497.12 : x
  2. Step 2: Convert to fraction form
    9,478.32/13,075.84 = 5,497.12/x
  3. Step 3: Cross multiply
    9,478.32x = 13,075.84 × 5,497.12
  4. Step 4: Simplify right side
    9,478.32x = 71,879,461.58
  5. Step 5: Solve for x
    x = 71,879,461.58/9,478.32
  6. Step 6: Final answer
    x = 7,583.57

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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.