Home / 4,915.58-6,784.47-2,925.74

Finding the Fourth Proportional to 4,915.58, 6,784.47 and 2,925.74

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Solution

The fourth proportional to 4,915.58, 6,784.47 and 2,925.74 is: 4,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.58 : 6,784.47 = 2,925.74 : x
  2. Step 2: Convert to fraction form
    4,915.58/6,784.47 = 2,925.74/x
  3. Step 3: Cross multiply
    4,915.58x = 6,784.47 × 2,925.74
  4. Step 4: Simplify right side
    4,915.58x = 19,849,595.26
  5. Step 5: Solve for x
    x = 19,849,595.26/4,915.58
  6. Step 6: Final answer
    x = 4,038.10

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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.