Home / 7,482.08-10,320.54-5,353.40

Finding the Fourth Proportional to 7,482.08, 10,320.54 and 5,353.40

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Solution

The fourth proportional to 7,482.08, 10,320.54 and 5,353.40 is: 7,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.08 : 10,320.54 = 5,353.40 : x
  2. Step 2: Convert to fraction form
    7,482.08/10,320.54 = 5,353.40/x
  3. Step 3: Cross multiply
    7,482.08x = 10,320.54 × 5,353.40
  4. Step 4: Simplify right side
    7,482.08x = 55,249,978.84
  5. Step 5: Solve for x
    x = 55,249,978.84/7,482.08
  6. Step 6: Final answer
    x = 7,384.31

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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.