Home / 4,320.51-6,479.95-1,547.07

Finding the Fourth Proportional to 4,320.51, 6,479.95 and 1,547.07

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Solution

The fourth proportional to 4,320.51, 6,479.95 and 1,547.07 is: 2,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.51 : 6,479.95 = 1,547.07 : x
  2. Step 2: Convert to fraction form
    4,320.51/6,479.95 = 1,547.07/x
  3. Step 3: Cross multiply
    4,320.51x = 6,479.95 × 1,547.07
  4. Step 4: Simplify right side
    4,320.51x = 10,024,936.25
  5. Step 5: Solve for x
    x = 10,024,936.25/4,320.51
  6. Step 6: Final answer
    x = 2,320.31

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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.