Home / 7,528.80-10,384.56-5,295.36

Finding the Fourth Proportional to 7,528.80, 10,384.56 and 5,295.36

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Solution

The fourth proportional to 7,528.80, 10,384.56 and 5,295.36 is: 7,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.80 : 10,384.56 = 5,295.36 : x
  2. Step 2: Convert to fraction form
    7,528.80/10,384.56 = 5,295.36/x
  3. Step 3: Cross multiply
    7,528.80x = 10,384.56 × 5,295.36
  4. Step 4: Simplify right side
    7,528.80x = 54,989,983.64
  5. Step 5: Solve for x
    x = 54,989,983.64/7,528.80
  6. Step 6: Final answer
    x = 7,303.95

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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.