Home / 7,547.32-10,416.54-4,360.78

Finding the Fourth Proportional to 7,547.32, 10,416.54 and 4,360.78

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Solution

The fourth proportional to 7,547.32, 10,416.54 and 4,360.78 is: 6,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.32 : 10,416.54 = 4,360.78 : x
  2. Step 2: Convert to fraction form
    7,547.32/10,416.54 = 4,360.78/x
  3. Step 3: Cross multiply
    7,547.32x = 10,416.54 × 4,360.78
  4. Step 4: Simplify right side
    7,547.32x = 45,424,239.30
  5. Step 5: Solve for x
    x = 45,424,239.30/7,547.32
  6. Step 6: Final answer
    x = 6,018.59

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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.