Home / 7,485.63-11,206.71-4,356.09

Finding the Fourth Proportional to 7,485.63, 11,206.71 and 4,356.09

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Solution

The fourth proportional to 7,485.63, 11,206.71 and 4,356.09 is: 6,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.63 : 11,206.71 = 4,356.09 : x
  2. Step 2: Convert to fraction form
    7,485.63/11,206.71 = 4,356.09/x
  3. Step 3: Cross multiply
    7,485.63x = 11,206.71 × 4,356.09
  4. Step 4: Simplify right side
    7,485.63x = 48,817,437.36
  5. Step 5: Solve for x
    x = 48,817,437.36/7,485.63
  6. Step 6: Final answer
    x = 6,521.49

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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.