Home / 7,478.08-11,210.72-2,864.32

Finding the Fourth Proportional to 7,478.08, 11,210.72 and 2,864.32

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Solution

The fourth proportional to 7,478.08, 11,210.72 and 2,864.32 is: 4,294.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.08 : 11,210.72 = 2,864.32 : x
  2. Step 2: Convert to fraction form
    7,478.08/11,210.72 = 2,864.32/x
  3. Step 3: Cross multiply
    7,478.08x = 11,210.72 × 2,864.32
  4. Step 4: Simplify right side
    7,478.08x = 32,111,089.51
  5. Step 5: Solve for x
    x = 32,111,089.51/7,478.08
  6. Step 6: Final answer
    x = 4,294.03

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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.